Yhn SciencePhysics first seen 1 d ago, last 55 min ago, peak #5
Scientists explain how a 300 TeV photon reached Earth
Original: Scientists explain how a 300 TeV photon could reach Earth
Physicists report an explanation for the detection of a photon carrying about 300 teraelectronvolts of energy striking Earth — far beyond what most cosmic sources were thought able to deliver. The finding suggests extreme astrophysical accelerators, such as pulsars or supernova remnants, can push particles to energies previously considered unlikely, refining models of high-energy cosmic rays.
Why now: A record-energy photon challenges existing models of cosmic particle acceleration, drawing wide scientific interest.
physicistsgamma-ray photoncosmic rays
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